Chemical composition of cement is
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_____ is the most ductile metal.
Name the noble gas which is placed in the third period and eighth group of the Modern Periodic table.
Which of the following is not an Igneous Rock?
Acetic Acid is another name for which of the following?
Which of these is not a macronutrient for Plants?
Which of the following gases is known as "Laughing Gas"?
Cinnabar is an ore/mineral of